Home / 312,984,829.80-469,477,244.70-198,099,095.40

Finding the Fourth Proportional to 312,984,829.80, 469,477,244.70 and 198,099,095.40

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Solution

The fourth proportional to 312,984,829.80, 469,477,244.70 and 198,099,095.40 is: 297,148,643.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,984,829.80 : 469,477,244.70 = 198,099,095.40 : x
  2. Step 2: Convert to fraction form
    312,984,829.80/469,477,244.70 = 198,099,095.40/x
  3. Step 3: Cross multiply
    312,984,829.80x = 469,477,244.70 × 198,099,095.40
  4. Step 4: Simplify right side
    312,984,829.80x = 93,003,017,485,954,448
  5. Step 5: Solve for x
    x = 93,003,017,485,954,448/312,984,829.80
  6. Step 6: Final answer
    x = 297,148,643.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.